Boulder Opal 0.46ct Loose UNSET

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Boulder Opals are unique to Australia, Queensland is the only place where they naturally occur and can be produced. Boulder opals come from large ironstone boulders mined from deep below in the ground. Similarly, to Black Opals, Boulder Opals are one of the most valuable opals sought out and are capable of producing a vast spectrum of colours. Boulder Opals are not the strongest or durable jewellery item, although various precautions can ensure a long wearing life.